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# mutt completion -*- shell-script -*-
#
# Mutt doesn't have an "addressbook" like Pine, but it has aliases and
# a "query" function to retrieve addresses, so that's what we use here.
# @param $1 (cur) Current word to complete
_muttaddr()
{
_muttaliases "$1"
_muttquery "$1"
COMPREPLY+=($(compgen -u -- "$1"))
}
# Find muttrc to use
# @output muttrc filename
_muttrc()
{
# Search COMP_WORDS for '-F muttrc' or '-Fmuttrc' argument
set -- "${words[@]}"
while (($# > 0)); do
if [[ $1 == -F* ]]; then
if ((${#1} > 2)); then
muttrc="$(dequote "${1:2}")"
else
shift
[[ $1 ]] && muttrc="$(dequote "$1")"
fi
break
fi
shift
done
if [[ ! -v muttrc ]]; then
if [[ -f ~/.${muttcmd}rc ]]; then
muttrc=\~/.${muttcmd}rc
elif [[ -f ~/.${muttcmd}/${muttcmd}rc ]]; then
muttrc=\~/.${muttcmd}/${muttcmd}rc
fi
fi
printf "%s" "${muttrc-}"
}
# Recursively build list of sourced config files
# @param $1 List of config files found so far
# @param $2 Config file to process
# @output List of config files
_muttconffiles()
{
local file sofar
local -a newconffiles
sofar=" $1 "
shift
while [[ ${1-} ]]; do
newconffiles=($(command sed -n 's|^source[[:space:]]\{1,\}\([^[:space:]]\{1,\}\).*$|\1|p' "$(eval printf %s $1)"))
for file in ${newconffiles+"${newconffiles[@]}"}; do
__expand_tilde_by_ref file
[[ ! -f $file || $sofar == *\ $file\ * ]] && continue
sofar+=" $file"
sofar=" $(eval _muttconffiles \"$sofar\" $file) "
done
shift
done
printf '%s\n' $sofar
}
# @param $1 (cur) Current word to complete
_muttaliases()
{
local cur=$1 muttrc muttcmd=${words[0]}
local -a conffiles aliases
muttrc=$(_muttrc)
[[ -z $muttrc ]] && return
conffiles=($(eval _muttconffiles $muttrc $muttrc))
# shellcheck disable=SC2046
aliases=("$(command sed -n 's|^alias[[:space:]]\{1,\}\([^[:space:]]\{1,\}\).*$|\1|p' \
$(eval echo "${conffiles[@]}"))")
COMPREPLY+=($(compgen -W "${aliases[*]}" -- "$cur"))
}
# @param $1 (cur) Current word to complete
_muttquery()
{
local cur=$1 querycmd muttcmd=${words[0]}
local -a queryresults
querycmd="$($muttcmd -Q query_command 2>/dev/null | command sed -e 's|^query_command=\"\(.*\)\"$|\1|' -e 's|%s|'$cur'|')"
if [[ -z $cur || -z $querycmd ]]; then
queryresults=()
else
__expand_tilde_by_ref querycmd
queryresults=($($querycmd |
command sed -n '2,$s|^\([^[:space:]]\{1,\}\).*|\1|p'))
fi
COMPREPLY+=($(compgen -W "${queryresults[*]}" -- "$cur"))
}
# @param $1 (cur) Current word to complete
_muttfiledir()
{
local cur=$1 folder muttrc spoolfile muttcmd=${words[0]}
muttrc=$(_muttrc)
if [[ $cur == [=+]* ]]; then
folder="$($muttcmd -F "$muttrc" -Q folder 2>/dev/null | command sed -e 's|^folder=\"\(.*\)\"$|\1|')"
: folder:=~/Mail
# Match any file in $folder beginning with $cur
# (minus the leading '=' sign).
compopt -o filenames
COMPREPLY=($(compgen -f -- "$folder/${cur:1}"))
COMPREPLY=(${COMPREPLY[@]#$folder/})
return
elif [[ $cur == !* ]]; then
spoolfile="$($muttcmd -F "$muttrc" -Q spoolfile 2>/dev/null |
command sed -e 's|^spoolfile=\"\(.*\)\"$|\1|')"
[[ -n $spoolfile ]] && eval cur="${cur/^!/$spoolfile}"
fi
_filedir
}
_mutt()
{
local cur prev words cword
_init_completion -n =+! || return
case $cur in
-*)
COMPREPLY=($(compgen -W '-A -a -b -c -e -f -F -H -i -m -n -p -Q -R -s
-v -x -y -z -Z -h' -- "$cur"))
return
;;
*)
case $prev in
-*[afFHi])
_muttfiledir "$cur"
return
;;
-*A)
_muttaliases "$cur"
return
;;
-*[emQshpRvyzZ])
return
;;
*)
_muttaddr "$cur"
return
;;
esac
;;
esac
} &&
complete -F _mutt -o default mutt muttng
# ex: filetype=sh
|
